Nicrophorus - Nicrophorus marginatus - BugGuide.Net

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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Staphyliniformia » Staphylinoidea » Carrion Beetles (Silphidae) » Sexton Beetles (Nicrophorus) » Margined Burying Beetle (Nicrophorus marginatus)

Photo#458042

Copyright © 2010 margarethe brummermann

Nicrophorus - Nicrophorus marginatus

I 19 Rest stop South of Green Valley, Pima County, Arizona, USA
September 20, 2010
Size: 18.8 mm

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Nicrophorus - Nicrophorus marginatus

Nicrophorus - Nicrophorus marginatus

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Contributed by margarethe brummermann on 23 September, 2010 - 3:17pm
Last updated 28 September, 2010 - 3:53pm

Moved

Moved from Sexton Beetles.

… margarethe brummermann, 28 September, 2010 - 3:53pm

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Moved

Moved from ID Request.

… margarethe brummermann, 23 September, 2010 - 8:59pm

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Best fit

Nicrophorus marginatus but would need lateral shot to be 100% sure

… Guy A. Hanley, 23 September, 2010 - 5:08pm

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I'll take the lateral as soon as the specimen is dry

… margarethe brummermann, 23 September, 2010 - 8:57pm

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Here is the smoking gun

if the two elytral spots (anterior and posterior) are connected above the lateral margin where the epipleuron starts, then it is N. marginatus , if the spots are connected almost on the lateral margin, then its N. obscurus. Looks like I can see the connection from above, so my first ID is most likely the beast...

… Guy A. Hanley, 24 September, 2010 - 9:17am

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Not N. guttula?

Is there a reason you've rejected N. guttula as a possibility? I'm trying to figure out how one separates N. guttula and N. marginatus for individuals with red markings on the elytra. I saw a comment somewhere about curved tibia, but I'm not sure how to use that trait.

… Ken-ichi Ueda, 21 April, 2014 - 12:31pm

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Side view added

N. marginatus, right?

… margarethe brummermann, 28 September, 2010 - 12:39pm

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yes

thats it

… Guy A. Hanley, 28 September, 2010 - 12:46pm

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